Shimano SM-EW90-B Di2 5 Port Junction Box cybersale Track rides in Mirror Mode

Track rides in Mirror Mode using your phone's GPS or use directly with Bluetooth SMART sensors

The visor is adjustable and has a breakaway function for extra rotational impact force reduction

The ergonomic handle allows powerful pumping in a natural position

Max lumens: 1000

it’s compatible with wireless charging

Shimano SM-EW90-B Di2 5 Port Junction Box cybersale Track rides in Mirror ModeShimano SM EW90 B 5 port Junction A for Dura Ace and Ultegra Di2 enables connection of time trial switches. This junction has a charging port to allow charging of an internal battery (charger not included), and mounts below stem using the supplied mounting strap. Features Compatible with ST 9071, SW 9071, SW_R671 or SW R600 For external installation Not compatible with Flight Deck